Cassidy vs Erwin

Baby Name Comparison — 2026

Erwin

Boy #2,429 Most Popular 2 Syllables

Meaning

"army friend, honorable companion"

Origin: Old High German

Cultural Roots

German Dutch English Scandinavian

Quick Stats

Popularity Rank
#2,429
Total SSA Count
57
Syllables
2
Formality
Moderate
Nicknames
Erv, Win

Playground Safety Score

✓ All Clear
Full profile for Erwin →

Popularity Comparison

Cassidy Rank #476
Erwin Rank #2,429

Cassidy is more popular, ranked #476 vs #2429 for Erwin.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cassidy ___

  • Cassidy Rose
  • Cassidy Ann
  • Cassidy Jane
  • Cassidy Renee
  • Cassidy Elizabeth
  • Cassidy Marie

Erwin ___

  • Erwin James
  • Erwin Lee
  • Erwin Scott
  • Erwin Paul
  • Erwin Thomas
  • Erwin Ray

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cassidy

Montana Savannah Ryder Colton Dakota

If you choose Erwin

Walter Harold Dorothea Mildred Clarence

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Cassidy or Erwin more popular?

Cassidy is more popular, ranked #476 compared to Erwin at #2429 in the United States.

What do Cassidy and Erwin mean?

Cassidy means "curly-haired" (Irish origin). Erwin means "army friend, honorable companion" (Old High German origin).

Are Cassidy and Erwin boy or girl names?

Cassidy is primarily a girl name. Erwin is primarily a boy name.

More Comparisons

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← Full profile: Cassidy ← Full profile: Erwin Browse all baby names